907-GBES media converters were discontinued July 19, 2023. For more information please read our Product Change Notification.

Recommended replacement: 907-GEM


  • Ethernet switch with four 10/100/1000 Mbps RJ-45 copper ports and one 1.25 Gbaud optical port
  • Wavelength selectable/interchangeable SFP transceivers
  • Rugged design for harsh environment, including 6000 psi pressure tolerant version
  • Compatible with 907-DIAG-E diagnostic card and Graphic User Interface (GUI) software


  • Provides multi-port Ethernet to optical conversion with a reliable small form-factor card
  • Configures RJ-45 ports automatically to link with connected Ethernet device
  • Supports a wide range of optical options, including CWDM wavelengths
  • Simplifies troubleshooting with advanced diagnostics

Typical Applications

  • Remotely Operated Vehicles (ROVs) and Tether Management Systems
  • Pipe inspection robots
  • Bomb disposal robots
  • Video security systems
  • Tactical networks and defense systems
  • Industrial process control


907-GBES Specifications
No. Copper Ports 4 (switched)
Data Rates 10/100/1000 Base-T(X)
Total Throughput ~ 1000 Mbps (0.01% used for embedded diagnostics)
Latency < 0.1 ms (single channel)
< 10 ms (10 Mbps port, all ports active)
typical, per RFC 2544
Optical Fiber 1 or 2 singlemode (9/125 μm)
Baud Rate 1.25 Gbaud
Format AME-EP (Moog proprietary)
Wavelength 1310/1550 nm standard
(CWDM optional, 1471 - 1611 nm)
Flux Budget > 20 dB (24 dB typical)
Power Supply +5 VDC +/-10%, regulated
Current Draw 1.2 A typical (2 A max.)
Power Used 6 W typical (10 W max.)
Voltage Protection Overvoltage, reverse polarity, 3 A time delay fuse
LEDs Power (electrical), over temperature limit,
optical link valid, PHY Rx/Tx activity,
Ethernet port link speed
Ethernet to PC Diagnostics from remote and console through 907-DIAG-E card at console
Dimensions PC/104 (form-factor only), 3.550" x 3.775"
Weight < 125 g (0.27 lb), including SFP
Optical Dual LC (SFP)
Data (Ethernet) 4 x RJ-45
Power 2-pin Molex, 0.156 inch pin spacing
Stacking PC/104 (for stacking 907 cards only)
Temperature -10°C to +60°C (operational)
-40°C to +85°C (storage)
Humidity 85% RH, non-condensing
Vibration 5 g, 25 - 1000 Hz, 3 axes
Shock 30 g, 11 ms half-sine, 3 axes



Technical Support

Telephone:  +1-902-468-2263